P11S, P11A

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Vishay Sfernice

Revision: 19-Jun-2018

2

Document Number: 51031

For technical questions, contact: sferpottrimmers@vishay.com

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT

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GENERAL SPECIFICATIONS

Note

(1) Consult Vishay Sfernice for other ohmic values

ELECTRICAL (initial)

P11A

P11S

Resistive element

Conductive plastic

Cermet

Electrical travel

270° ± 10°

270° ± 10°

Resistance range (1)

Linear taper

1 k

 to 1 M

20

 to 10 M

Non-linear taper

470

 to 500 k

100

 to 2.2 M

Tolerance

Standard

± 20 %

± 20 %

On request

± 10 %

± 5 % or ± 10 %

Taper

Circuit diagram

Power rating at 70 °C

Linear taper

0.5 W at +70 °C

1 W at +70 °C

Non-linear taper

0.25 W at +70 °C

0.5 W at +70 °C

Multiple assemblies

0.25 W at +70 °C per module

0.5 W at +70 °C per module

Temperature coefficient (typical)

± 500 ppm

± 150 ppm

Limiting element voltage

350 V

350 V

End resistance (typical)

2



2



Contact resistance variation (typical)

Linear taper

1 %

2 % or 3



Independent linearity (typical)

Linear taper

± 5 %

± 5 %

Insulation resistance

106 M

 min.

106 M

 min.

Dielectric strength

1500 VRMS min.

1500 VRMS min.

Attenuation

90 dB max./0.05 dB min.

-

Mechanical endurance

50 000 cycles

50 000 cycles

R

F

S

W

L

A

90 %

50 %

20 %

10 %

Vs

%

Ve

Mechanical travel 300°

31°

31°

Electrical travel

with switch 238°

15°

15°

Electrical travel 270°

50 %

a

(1)

b

(2)

c

(3)

cw

130

70

60

50

40

30

20

10

0

0

1

Ambient Temperature (°C)

120

110

100

90

80

0.5

P11S Linear Taper

P11S Non-Linear Taper

P11A Linear Taper

0.25

P11A Non-Linear Taper